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Avoid using deprecated OpenSSL functions in testsuite

This commit is contained in:
Martchus 2023-01-02 01:56:58 +01:00
parent dbdfd015bb
commit 0347ca73eb
1 changed files with 32 additions and 5 deletions
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37
tests/testfilecheck.cpp
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@ -6,6 +6,7 @@
#include <cppunit/TestFixture.h>
#include <cppunit/extensions/HelperMacros.h>
#include <openssl/evp.h>
#include <openssl/sha.h>
#include <fstream>
@ -81,14 +82,33 @@ struct TestFile {
{ "ogg/example-cover.png", { "897e1a2d0cfb79c1fe5068108bb34610c3758bd0b9a7e90c1702c4e6972e0801" } },
};
struct EvpMdCtx {
EvpMdCtx()
: handle(EVP_MD_CTX_new())
{
}
~EvpMdCtx()
{
if (handle) {
EVP_MD_CTX_free(handle);
}
}
EVP_MD_CTX *handle;
};
/*!
* \brief Computes the SHA-256 checksums for the file using OpenSSL.
*/
Sha256Checksum TestFile::computeSha256Sum() const
{
// init sha256 hashing
SHA256_CTX sha256;
SHA256_Init(&sha256);
const auto mdctx = EvpMdCtx();
if (!mdctx.handle) {
throw std::runtime_error("Unable to create EVP context.");
}
if (EVP_DigestInit_ex(mdctx.handle, EVP_sha256(), nullptr) != 1) {
throw std::runtime_error("Unable to init SHA256-EVP context.");
}
// read and hash file
{
@ -100,11 +120,15 @@ Sha256Checksum TestFile::computeSha256Sum() const
try {
for (;;) {
file.read(readBuffer, sizeof(readBuffer));
SHA256_Update(&sha256, readBuffer, static_cast<size_t>(file.gcount()));
if (EVP_DigestUpdate(mdctx.handle, readBuffer, static_cast<std::size_t>(file.gcount())) != 1) {
throw std::runtime_error("Unable to update SHA256-EVP.");
}
}
} catch (const std::ios_base::failure &) {
if (file.eof() && !file.bad()) {
SHA256_Update(&sha256, readBuffer, static_cast<size_t>(file.gcount()));
if (EVP_DigestUpdate(mdctx.handle, readBuffer, static_cast<std::size_t>(file.gcount())) != 1) {
throw std::runtime_error("Unable to update SHA256-EVP.");
}
} else {
throw;
}
@ -113,7 +137,10 @@ Sha256Checksum TestFile::computeSha256Sum() const
// compute final hash
unsigned char hash[SHA256_DIGEST_LENGTH];
SHA256_Final(hash, &sha256);
auto length = static_cast<unsigned int>(SHA256_DIGEST_LENGTH);
if (EVP_DigestFinal_ex(mdctx.handle, hash, &length) != 1) {
throw std::runtime_error("Unable to finalize SHA256-EVP.");
}
// convert to "hex string"
Sha256Checksum hexString;